Site details

Overview

Estuary Powlett River Estuary
CMA West Gippsland CMA
Type Physico-Chemical
Site code Po2
Site name Site two (Mouth of Powlett Road Bridge)
Nearest road and town Mouth of Powlett Road, Dalyston
Description Ocean side of Mouth of Powlett Road Bridge, in between the 6th and 7th reflector when coming from the Kilcunda side of bridge (approx halfway).
Site access Head east along the Mouth of Powlett Road, park in the carpark located beside the Mouth of Powlett Bridge.
Land use
  • Native Bushland
  • Rural Grazing
Land use description This site is surrounded by submerged wetland (oceanside of bridge), saltmarsh (eastern bank on inland side of bridge) and a 5-10 metre revege site (western bank on inland side of bridge).
Status Active
Observation history 13-03-2010 - 08-02-2024

Map

Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
Turbidity tubes do not measure below 9 NTU; Chart values of 9 should be interpreted as < 9 NTU

Observations

Date 19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Observation #15483 #15551 #15574 #15686 #15727 #15799 #15858 #15971 #15972 #16004

Observation summaries

Turbidity NTU

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top 9.5 42.1 49.4 41.8 30.7 48.4 8.5 6.9 10.2 6.9
Bottom 8.5 5.7 0.5 2.7 3.6 15.2 8.7 5.3 6.4 7.9

pH

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top 8.3 7.0 7.1 7.6 7.7 7.1 8.2 7.9
Bottom 8.2 7.9 8.3 8.1 8.1 8.1 8.2 8.1

Ammonia mg/L

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top
Bottom

Enterococci orgs/100mL

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top
Bottom

Temperature ° C

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top 17.00 12.50 10.80 10.50 11.90 16.20 18.10 20.50 24.20 20.10
Bottom 16.90 14.40 13.60 12.50 12.90 14.30 16.30 17.90 16.60 19.60

Salinity ppt

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top 35.30 0.90 1.60 2.40 1.40 0.60 20.90 17.00 24.90 30.70
Bottom 37.80 35.00 36.60 36.10 33.30 29.70 36.40 36.10 36.40 36.40

D.O. mg/L

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top 8.07 8.97 10.05 10.91 7.92 7.60 10.91 7.79 6.90 4.66
Bottom 6.43 3.56 7.86 8.04 6.79 7.20 7.41 6.52 7.12 4.46

D.O. % Sat

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top 102.60 84.40 91.90 97.30 73.80 77.00 130.70 96.00 95.20 60.80
Bottom 82.80 43.10 95.20 92.70 78.90 84.10 93.90 85.60 91.30 69.60

Conductivity mS/cm

19-04-2023 30-05-2023 14-06-2023 26-07-2023 31-08-2023 15-09-2023 16-11-2023 18-12-2023 16-01-2024 08-02-2024
Top 53.34 1.84 3.00 4.40 2.65 1.12 33.31 27.59 39.15 47.05
Bottom 56.82 52.93 55.20 54.61 50.77 45.76 54.81 54.35 54.86 54.77
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